/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.directory.shared.kerberos.codec;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.nio.ByteBuffer;
import org.apache.directory.shared.asn1.DecoderException;
import org.apache.directory.shared.asn1.ber.Asn1Decoder;
import org.apache.directory.shared.asn1.EncoderException;
import org.apache.directory.shared.kerberos.codec.paEncTsEnc.PaEncTsEncContainer;
import org.apache.directory.shared.kerberos.components.PaEncTsEnc;
import org.apache.directory.shared.util.Strings;
import org.junit.Test;
/**
* Test cases for PaEncTsEnc codec.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class PaEncTsEncDecoderTest
{
@Test
public void testDecodeFullPaEncTsEnc()
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x1A );
stream.put( new byte[]
{
0x30, 0x18,
( byte ) 0xA0, 0x11, // PaTimestamp
0x18,
0x0F,
'2',
'0',
'1',
'0',
'1',
'0',
'1',
'0',
'2',
'3',
'4',
'5',
'4',
'5',
'Z',
( byte ) 0xA1,
0x03, // PaUsec
0x02,
0x01,
0x01
} );
String decodedPdu = Strings.dumpBytes( stream.array() );
stream.flip();
PaEncTsEncContainer paEncTsEncContainer = new PaEncTsEncContainer();
try
{
krbDecoder.decode( stream, paEncTsEncContainer );
}
catch ( DecoderException de )
{
fail( de.getMessage() );
}
PaEncTsEnc paEncTsEnc = paEncTsEncContainer.getPaEncTsEnc();
assertEquals( "20101010234545Z", paEncTsEnc.getPaTimestamp().toString() );
assertEquals( 1, paEncTsEnc.getPausec() );
ByteBuffer bb = ByteBuffer.allocate( paEncTsEnc.computeLength() );
try
{
bb = paEncTsEnc.encode( bb );
// Check the length
assertEquals( 0x1A, bb.limit() );
String encodedPdu = Strings.dumpBytes( bb.array() );
assertEquals( encodedPdu, decodedPdu );
}
catch ( EncoderException ee )
{
fail();
}
}
@Test(expected = DecoderException.class)
public void testDecodePaEncTsEncWithEmptySeq() throws DecoderException
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 2 );
stream.put( new byte[]
{
0x30, 0x0
} );
stream.flip();
PaEncTsEncContainer paEncTsEncContainer = new PaEncTsEncContainer();
krbDecoder.decode( stream, paEncTsEncContainer );
fail();
}
@Test(expected = DecoderException.class)
public void testDecodePaEncTsEncEmptyPaTimestamp() throws DecoderException
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 4 );
stream.put( new byte[]
{
0x30, 0x02,
( byte ) 0xA0, 0x00
} );
stream.flip();
PaEncTsEncContainer paEncTsEncContainer = new PaEncTsEncContainer();
krbDecoder.decode( stream, paEncTsEncContainer );
fail();
}
@Test(expected = DecoderException.class)
public void testDecodeAdAndOrNullPaTimestamp() throws DecoderException
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 6 );
stream.put( new byte[]
{
0x30, 0x04,
( byte ) 0xA0, 0x02,
0x18, 0x00
} );
stream.flip();
PaEncTsEncContainer paEncTsEncContainer = new PaEncTsEncContainer();
krbDecoder.decode( stream, paEncTsEncContainer );
fail();
}
@Test(expected = DecoderException.class)
public void testDecodeAdAndOrNoPaTimestamp() throws DecoderException
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x07 );
stream.put( new byte[]
{
0x30, 0x05,
( byte ) 0xA1, 0x03, // PaUsec
0x02,
0x01,
0x01
} );
stream.flip();
PaEncTsEncContainer paEncTsEncContainer = new PaEncTsEncContainer();
krbDecoder.decode( stream, paEncTsEncContainer );
fail();
}
@Test
public void testDecodePaEncTsEncNoPaUsec()
{
Asn1Decoder krbDecoder = new Asn1Decoder();
ByteBuffer stream = ByteBuffer.allocate( 0x15 );
stream.put( new byte[]
{
0x30, 0x13,
( byte ) 0xA0, 0x11, // PaTimestamp
0x18,
0x0F,
'2',
'0',
'1',
'0',
'1',
'0',
'1',
'0',
'2',
'3',
'4',
'5',
'4',
'5',
'Z',
} );
String decodedPdu = Strings.dumpBytes( stream.array() );
stream.flip();
PaEncTsEncContainer paEncTsEncContainer = new PaEncTsEncContainer();
try
{
krbDecoder.decode( stream, paEncTsEncContainer );
}
catch ( DecoderException de )
{
fail( de.getMessage() );
}
PaEncTsEnc paEncTsEnc = paEncTsEncContainer.getPaEncTsEnc();
assertEquals( "20101010234545Z", paEncTsEnc.getPaTimestamp().toString() );
assertEquals( -1, paEncTsEnc.getPausec() );
ByteBuffer bb = ByteBuffer.allocate( paEncTsEnc.computeLength() );
try
{
bb = paEncTsEnc.encode( bb );
// Check the length
assertEquals( 0x15, bb.limit() );
String encodedPdu = Strings.dumpBytes( bb.array() );
assertEquals( encodedPdu, decodedPdu );
}
catch ( EncoderException ee )
{
fail();
}
}
}